<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login</title>
</head>
<body>
 <h2>Login</h2>
 <p>
  <a href="<%=request.getContextPath() %>/index.jsp">index</a>
 <p>
 <hr/>
 <form action="<%=request.getContextPath() %>/login" method="post">
   username：<input type="text" name="username"><br/>
   age：<input type="text" name="age"><br/>
   weight：<input type="text" name="weight"><br/>
   birthday：<input type="text" name="birthday"><br/>
   <input type="submit" value="Login">
 </form>
</body>
</html>